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6. Multiply 6/13 by the reciprocal of -7/16.
10
Oct
6. Multiply 6/13 by the reciprocal of -7/16. 6. Multiply 6/13 by the reciprocal of -7/16. October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
Two thin parallel slits are made in an opaque sheet of film when a monochromatic beam of light is shone through them at normal incidence. The first bright fringes in the transmitted light
10
Oct
Two thin parallel slits are made in an opaque sheet of film when a monochromatic beam of light is shone through them at normal incidence. The first bright fringes in the transmitted light Two thin parallel slits are made in an opaque sheet of film when a monochromatic beam of light is shone through them [...]
The index of refraction of a glass plate is 1.48 at theta 1 = 30 C and varies linearly with temperature with a coefficient of 2.5 * 10^-5 C^-1. The coefficient of linear expansion of the glass is 5 * 10 ^-5 C^-1.
10
Oct
The index of refraction of a glass plate is 1.48 at theta 1 = 30 C and varies linearly with temperature with a coefficient of 2.5 * 10^-5 C^-1. The coefficient of linear expansion of the glass is 5 * 10 ^-5 C^-1. intensity I = 5 +- 0.002. The percentage error in angle is [...]
5. Name the property under multiplication used in each of the following: (i) -4/5 x 1 = 1 x -4/5 = -4/5 (ii) -13/17 x -2/7 = -2/7 x -13/17 (iii) -19/29 x 29/-29 = 1
10
Oct
5. Name the property under multiplication used in each of the following: (i) -4/5 x 1 = 1 x -4/5 = -4/5 (ii) -13/17 x -2/7 = -2/7 x -13/17 (iii) -19/29 x 29/-29 = 1 5. Name the property under multiplication used in each of the following: (i) -4/5 x 1 = 1 x [...]
4. Find the multiplicative inverse of the following: (i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 x -3/7 (v) -1 x -2/5 (vi) -1
10
Oct
4. Find the multiplicative inverse of the following: (i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 x -3/7 (v) -1 x -2/5 (vi) -1 4. Find the multiplicative inverse of the following: (i) -13 (ii) -13/19 (iii) 1/5 (iv) -5/8 x -3/7 (v) -1 x -2/5 (vi) -1 October 10, 2020 Category: Chapter 1 - [...]
3. Verify that -(-x) = x for: (ii) x = -13/17
10
Oct
3. Verify that -(-x) = x for: (ii) x = -13/17 3. Verify that -(-x) = x for: (ii) x = -13/17 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
Two thin parallel slits that are 0.012 mm apart are illuminated by a laser beam of wavelength 650 nm. On a very large distant screen, the total number of bright fringes including the central fringe
10
Oct
Two thin parallel slits that are 0.012 mm apart are illuminated by a laser beam of wavelength 650 nm. On a very large distant screen, the total number of bright fringes including the central fringe the total number of bright fringes including the central fringe Two thin parallel slits that are 0.012 mm apart are [...]
3. Verify that -(-x) = x for: (i) x = 11/15
10
Oct
3. Verify that -(-x) = x for: (i) x = 11/15 3. Verify that -(-x) = x for: (i) x = 11/15 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,
2. Write the additive inverse of each of the following: (i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6
10
Oct
2. Write the additive inverse of each of the following: (i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6 2. Write the additive inverse of each of the following: (i) 2/8 (ii) -5/9 (iii) -6/-5 (iv) 2/-9 (v) 19/-6 October 10, 2020 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 [...]
Two slits spaced 0.25 mm apart are placed 0.75 m from a screen and illuminated by coherent light with a wavelength of 650 nm. The intensity at the center of the central maximum (theta = 0) is I0.
10
Oct
Two slits spaced 0.25 mm apart are placed 0.75 m from a screen and illuminated by coherent light with a wavelength of 650 nm. The intensity at the center of the central maximum (theta = 0) is I0. Two slits spaced 0.25 mm apart are placed 0.75 m from a screen and illuminated by coherent [...]